The Gregorian calendar reform of 1582, which provided the basis for the civil and Western ecclesiastical calendars still in use today, has often been seen as a

Named a Best Book of 2020 by The Telegraph, The Times, and BBC History Magazine An illuminating guide to the scientific and technological achievements of the Mi

Drawing upon a surprising wealth of evidence found in surviving manuscripts, this book restores friars to their rightful place in the history of English health